CN110359373A - Beam body method for correcting error for transom pier bridge - Google Patents
Beam body method for correcting error for transom pier bridge Download PDFInfo
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- CN110359373A CN110359373A CN201910621115.5A CN201910621115A CN110359373A CN 110359373 A CN110359373 A CN 110359373A CN 201910621115 A CN201910621115 A CN 201910621115A CN 110359373 A CN110359373 A CN 110359373A
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- beam body
- jacking device
- pinner
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- cross spacing
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The present invention provides a kind of beam body method for correcting error for transom pier bridge, comprising the following steps: carries out reaming transformation to the sleeve hole on the inside of pinner；The cross spacing device of beam body is installed and to beam body cross spacing；Reaming transformation is carried out to the sleeve hole on the outside of pinner；The vertical jacking device of jack up girder and the lateral jacking device of traversing beam body are installed；Traversing correction beam body is to predeterminated position of rectifying a deviation；Fall beam body after rise and to beam body cross spacing；It is poured the improved sleeve hole of pinner reaming.Above-mentioned method for correcting error guarantees the safe operation of high-speed railway during beam body correction, solves the problems, such as that the offset of gate-type bridge pier is transfinited；Method is easy to operate, and process is easy, shortens the duration, and the high-speed railway shorter for Window time has important practical significance.
Description
Technical field
The present invention relates to the recovery technique field of railway beam body, in particular to a kind of beam body correction side for transom pier bridge
Method.
Background technique
In recent years, China express railway develops rapidly, until the end of the year 2018, national high-speed railway revenue kilometres reach 2.9 ten thousand
Kilometer or more.In order to guarantee that route is smooth, save the area and control under High Speed Railway the post-construction deformation of engineering and unevenly
Deformation etc., Design of High-speed Railway takes the mentality of designing of " interface height ", and beam body has become engineering under High Speed Railway
Major project type.High-speed railway beam body is built up the more general railway of rear maintenance and repair work and is largely reduced, but with the length of railway
Phase operation, the variation of environment, geological conditions influence and periphery engineering construction may cause the deformation disease such as stitch seam leans out line.
High-speed railway is very strict to lateral displacement requirement, and the safety of high-speed rail operation can be seriously threatened when lateral displacement transfinites
Property and comfort, and high-speed railway can limiting operation, high-speed railway lateral displacement can quickly be solved using beam body method for correcting error
Overrun issues.Existing beam body method for correcting error is for common Dun Qiao, but transom pier bridge structure and common pier bridge structure shape
Formula difference is larger, and the operating space of transom pier bridge is very limited, there is the problems such as can not installing temporary support, and existing beam body is entangled
Folk prescription method can not be suitable for transom pier bridge.Therefore the beam body method for correcting error for studying a kind of transom pier bridge is linear to high-speed rail route is restored
And ensure that high-speed rail safe operation is of great significance.
Summary of the invention
It is in the prior art to solve the purpose of the present invention is to provide a kind of beam body method for correcting error for transom pier bridge
Beam body method for correcting error can not be suitable for the technical issues of transom pier bridge.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The present invention provides a kind of beam body method for correcting error for transom pier bridge, comprising the following steps: on the inside of pinner
Sleeve hole carries out reaming transformation；The cross spacing device of the beam body is installed and to the beam body cross spacing；Outside to the pinner
The sleeve hole of side carries out reaming transformation；Installation jacks the vertical jacking device of the beam body and the lateral jacking of the traversing beam body
Device；The traversing correction beam body specifically includes the cross spacing for releasing the beam body to predeterminated position of rectifying a deviation, using it is described vertically
Jacking device, which jacks the beam body, keeps the beam body hanging, utilizes the traversing beam body of the lateral jacking device to default position of rectifying a deviation
It sets；Fall the beam body after rise and to the beam body cross spacing；It is poured the improved sleeve hole of pinner reaming.
It further, further include following step before the step of sleeve hole on the inside of pinner carries out reaming transformation
It is rapid: the longitudinal spacing device of the beam body to be installed and to the beam body longitudinal spacing.
Further, the step of sleeve hole on the inside of pinner carries out reaming transformation, specifically includes: removing the beam
The foundation bolt on the inside of beam falling prevention stopping block and support on body, and to the foundation bolt of the corresponding inside on the pinner
Sleeve hole carries out reaming transformation.
Further, the cross spacing device of the installation beam body and the step of to the beam body cross spacing, specifically
Include: the installation beam falling prevention stopping block, and the cross spacing device is installed between the beam falling prevention stopping block and the pinner, with
Cross spacing is carried out to the beam body.
Further, described to fall the beam body after rise and the step of to the beam body cross spacing, it specifically includes: loosening described
Vertical jacking device falls the beam body to bridge pier after rise, and the cross spacing device re-starts cross spacing to the beam body.
Further, the cross spacing device is mounted between the beam falling prevention stopping block in the beam body and the pinner；With/
Or, the longitudinal spacing device is mounted between the adjacent beam body.
Further, the installation jacks the vertical jacking device of the beam body and the lateral jacking device of the traversing beam body
Step specifically includes: at least two vertical jacking devices is arranged between bridge pier and the beam body, one of them is described vertical
The shell of jacking device is fixed on the bridge pier, beam body described in the pushing end pushing tow of the vertical jacking device, another is described perpendicular
It is fixed in the beam body to the shell of jacking device, bridge pier described in the pushing end pushing tow of the vertical jacking device；
At least one described lateral jacking device, the shell of the transverse direction jacking device are installed between two vertical jacking devices
Body is fixed therein on the shell of a vertical jacking device, another is described perpendicular for the pushing end pushing tow of the transverse direction jacking device
To the shell of jacking device.
Further, the installation jacks the vertical jacking device of the beam body and the lateral jacking device of the traversing beam body
Step specifically includes: at least one described vertical jacking device is arranged between bridge pier and the beam body, one of them is described vertical
The shell of jacking device is fixed in the beam body, bridge pier described in the pushing end pushing tow of the vertical jacking device；
At least one described lateral jacking device is installed between the pinner and one of them described vertical jacking device, it is described
The shell of lateral jacking device is fixed on the pinner, one of them vertical top described in the pushing end pushing tow of the transverse direction jacking device
Rise the shell of device.
Further, the step of casting pinner reaming improved sleeve hole, specifically includes: in the pinner
Top smear epoxy resin, be bonded bottom surface of support saddle and the top of the pinner, at the improved sleeve hole of reaming
Punching block is set, is poured grouting material according to gravity grouting method.
Further, respectively the movable end of the cross spacing device and the longitudinal spacing device movable end be provided with it is anti-
Saddle；And/or the pushing end of the vertical jacking device is provided with sliding part respectively, so that the pushing tow of the vertical jacking device
It is slided relative to the sliding part at end.
Provided by the present invention for the beam body method for correcting error of transom pier bridge, reaming first is carried out to the sleeve hole on the inside of pinner and is changed
Make, and by installation cross spacing device to beam body carry out cross spacing after, then on the outside of pinner sleeve hole carry out reaming transformation,
By cross spacing device to the cross spacing of beam body, guarantee the stabilization of the beam body when carrying out reaming transformation to pinner outer sheath bore
Property.And before jacking and traversing beam body, it loosens cross spacing device and releases cross spacing in order to the mobile correction of beam body.It is above-mentioned
Method for correcting error guarantee beam body correction during high-speed railway safe operation, efficiently solve gate-type bridge pier offset transfinite ask
Topic；Method is easy to operate, and process is easy, shortens the duration, and the high-speed railway shorter for Window time has important reality
Meaning.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the beam body method for correcting error for transom pier bridge provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram in transom pier bridge cross section in beam body method for correcting error provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of transom pier bridge vertical section in beam body method for correcting error provided in an embodiment of the present invention；
Fig. 4 is the top view of Fig. 2, wherein beam body is omitted；And
Fig. 5 is a kind of installation of vertical jacking device and lateral jacking device in beam body method for correcting error provided in an embodiment of the present invention
Schematic diagram.
Description of symbols:
100, bridge pier；110, pinner；120, support；130, foundation bolt；200, beam body；210, longitudinal spacing device；220,
Vertical jacking device；221, the first vertical jack；222, the second vertical jack；230, lateral jacking device；240, sliding part；
300, beam falling prevention stopping block；310, cross spacing device.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further described in more detail.In description of the invention
In, relative orientations arc or positional relationship are based on orientation or positional relationship shown in Fig. 2, wherein "inner", "outside" refer to that Fig. 4's is interior
Outside direction.It is to be appreciated that these directional terminologies are merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.
In addition, the description such as " first " in the present invention, " second ", is used for description purposes only, and should not be understood as indicating
Or it implies its relative importance or implicitly indicates the quantity or sequence of indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the present invention, the meaning of " multiple "
It is at least two, such as two, three etc., unless otherwise specifically defined.
Referring to Fig. 1, the embodiment of the present application provides a kind of beam body method for correcting error for transom pier bridge, including following step
It is rapid:
S1, reaming transformation is carried out to the sleeve hole on the inside of pinner；
S2, install beam body cross spacing device and to the beam body cross spacing；
S3, reaming transformation is carried out to the sleeve hole on the outside of the pinner；
S4, installation jack the vertical jacking device of the beam body and the lateral jacking device of the traversing beam body；
S5, the traversing correction beam body to predeterminated position of rectifying a deviation, specifically include and release the cross spacing device to the beam
The cross spacing of body, jacking the beam body using the vertical jacking device keeps the beam body hanging, utilizes the lateral jacking device
The traversing beam body is to predeterminated position of rectifying a deviation；
S6, the beam body is fallen after rise and to the beam body cross spacing；
S7, the casting improved sleeve hole of pinner reaming.
In the case where actual conditions allow, the sequence of above-mentioned steps, which can according to need, is exchanged.The application is implemented
Beam body can be box beam in example.
Referring to Figure 2 to Figure 4, transom pier bridge includes bridge pier 100, pinner 110 and support 120, and pinner 110 is installed on bridge pier
On 100, support 120 is installed on pinner 110.Two pieces of pinners 110 are typically provided on each bridge pier 100, two pieces of pinners 110 are symmetrical
It is set to the two sides on 100 top of bridge pier.Two supports 120 are installed by foundation bolt 130 respectively on each pinner 110, two
Support 120 is respectively arranged in the both ends of pinner 110, i.e., is equipped with 4 supports 120 on each bridge pier 100.The both ends of beam body 200
It is respectively arranged on two adjacent bridge piers 100, one end of each beam body 200 is placed in two pinners 110 of a bridge pier 100
On, and supported jointly by the support 120 of each 110 one end of pinner respectively；That is, one end of beam body 200 is padded across two
Stone 110 is respectively placed on the support 120 of 110 one end of pinner.Beam body 200 there are two being placed on each bridge pier 100.
The beam body method for correcting error of the embodiment of the present application carries out reaming transformation to the sleeve hole of 110 inside of pinner first, at this time
The foundation bolt 130 in 120 outside of support is fixed on pinner 110, provides support for beam body 200.To the sleeve in 110 outside of pinner
Before hole carries out reaming transformation, installation cross spacing device 310 carries out cross spacing to beam body 200, in order to avoid in reaming transformation process
Middle beam body 200 shifts.Specifically, cross spacing device 310 is respectively mounted between beam body 200 and pinner 110, make beam body 200 by
Dynamic balance guarantees stability of the beam body 200 in the sleeve hole transformation process in 110 outside of pinner.
After the sleeve hole transformation of pinner 110 is completed, the vertical jacking device 220 and traverse beam of jack up girder 200 are installed
The lateral jacking device 230 of body 200.The jacking of beam body 200 is realized by vertical jacking device 220, traversing to pass through lateral jacking device
230 realize.It should be understood that needing to loosen cross spacing device 310 before jacking and traversing beam body 200, beam body 200 is released
Cross spacing, in order to which the translation of beam body 200 is rectified a deviation.
The operating space of transom pier bridge is very limited, when solving the problems, such as that high-speed railway lateral displacement transfinites, can not utilize
The method for correcting error of installation temporary support commonly used in the prior art.Beam body provided by the embodiments of the present application for transom pier bridge
200 method for correcting error carry out cross spacing to beam body 200 by installing cross spacing device 310, and in jacking and traversing beam body 200
Before, cross spacing device 310 is loosened in order to rectify a deviation.In above-mentioned method for correcting error, transverse direction between beam body 200 and pinner 110 is utilized
The limit of limiter 310 replaces the effect of temporary support in the prior art, guarantees the peace of high-speed railway during beam body 200 is rectified a deviation
Battalion for the national games solves the problems, such as that the offset of transom pier bridge is transfinited.Above-mentioned method for correcting error is easy to operate, and process is easy, shortens
Duration, the high-speed railway shorter for Window time have important practical significance.
Below to the various detailed embodiments of the beam body method for correcting error provided in an embodiment of the present invention for transom pier bridge
It is specifically described, it should be noted that these detailed embodiments can be carried out according to the different demands of beam body Deviation Correction Construction
It accepts or rejects.
S0, the longitudinal spacing device for installing beam body simultaneously carry out longitudinal spacing to the beam body.
In some embodiments, before the step of sleeve hole to the inside of pinner 110 carries out reaming transformation, further include with
Lower step: the longitudinal spacing device 210 of installation beam body 200 simultaneously carries out longitudinal spacing to beam body 200.Install longitudinal spacing device 210 with
To 200 longitudinal spacing of beam body, in case beam body 200 vertically moves during traversing correction.
Further, longitudinal spacing device 210 is mounted between adjacent beam body 200.Longitudinal spacing device 210 can be ultra-thin thousand
Jin top.Referring to Fig. 3, the ultra-thin jack of setting in the beam seam of adjacent beam body 200.Specifically, each adjacent two beam body 200
Beam stitches interior settable 4 ultra-thin jack.Ultra-thin jack limitation beam body 200 is vertically moved with respect to bridge pier 100, is used for beam body
200 longitudinal spacing.
To prevent longitudinal spacing device 210 from sliding relative to beam body 200, in one embodiment, in the work of longitudinal spacing device 210
Non-slip material, such as hardwood is arranged in moved end, to prevent longitudinal spacing device 210 from sliding relative to beam body 200, longitudinal spacing is avoided to lose
Effect.The movable end of longitudinal spacing device 210 refers to the one end abutted with beam body 200, is longitudinal spacing device 210 easy to disassemble, can be with
Its both ends is respectively set to abut with corresponding beam body 200.
S1, reaming transformation is carried out to the sleeve hole on the inside of pinner.
In some embodiments, the step of carrying out reaming transformation to the sleeve hole of 110 inside of pinner, specifically includes: removing
The foundation bolt 130 of 120 inside of beam falling prevention stopping block 300 and support in beam body 200, and to the correspondence support 120 on pinner 110
The sleeve hole of the foundation bolt 130 of inside carries out reaming transformation.Beam falling prevention stopping block 300 may be mounted at the bottom end of beam body 200, and one
As each bridge pier 100 include 4 beam falling prevention stopping blocks 300.Before the foundation bolt 130 for removing 120 inside of support, need first to tear open
Except beam falling prevention stopping block 300, in case beam falling prevention stopping block 300 is interfered to the dismounting of the foundation bolt 130 of 120 inside of support and to pad
The reaming of stone 110 is transformed.After the foundation bolt 130 for removing 4 supports, 120 inside respectively, to the inner sleeve bore of pinner 110
Carry out reaming transformation, such as by way of drilling, cutting, chiselling, the position of sleeve can in the sleeve hole after reaming edge
Correction direction is adjusted；Then the interior steel mesh of pinner 110 is repaired in REPAIR WELDING or bar planting.
S2, the cross spacing device of the installation beam body and to the beam body cross spacing.
In some embodiments, the cross spacing device 310 of beam body 200 is installed and the step of to 200 cross spacing of beam body, tool
Body includes: installation beam falling prevention stopping block 300, and cross spacing device 310 is installed between beam falling prevention stopping block 300 and pinner 110, with right
Beam body 200 carries out cross spacing.It removes the foundation bolt 130 in 120 outside of support and it is transformed to the sleeve hole in 110 outside of pinner
Before, it needs to install cross spacing device 310, beam body 200 is made to guarantee beam body 200 to the force balance of pinner 110 of 100 two sides of bridge pier
Stability.Cross spacing device 310 is chosen as ultra-thin jack.Specifically, 4 beam falling prevention stopping blocks 300 are reinstalled, and every
2 ultra-thin jack are set in the gap between a beam falling prevention stopping block 300 and pinner 110, limit beam body 200 relative to bridge pier
100 transverse shifting, to prevent from removing the foundation bolt 130 in 120 outside of support and to the sleeve hole transformation in 110 outside of pinner
200 transverse shifting of beam body in the process.
Further, in one embodiment, Non-slip material, such as hardwood are set in the movable end of cross spacing device 310, to prevent
Only cross spacing device 310 slides, and cross spacing is avoided to fail.The movable end of cross spacing device 310 refer to pinner 110 or with it is anti-
Fall beam block 300 abutting one end, be cross spacing device 310 easy to disassemble, its both ends can be respectively set to it is corresponding
Pinner 110 or beam falling prevention stopping block 300 abut.
S3, reaming transformation is carried out to the sleeve hole on the outside of the pinner.
It should be understood that the step of being transformed with the sleeve hole to 110 inside of pinner is similar, to 110 outside of pinner
The step of sleeve hole progress reaming transformation, specifically includes: the foundation bolt 130 in 120 outside of support being removed, and on pinner 110
The sleeve hole of foundation bolt 130 in the outside of correspondence support 120 be transformed.Such as by way of drilling, cutting, chiselling,
Expanding the sleeve hole on support pinner 110, the position of sleeve can be adjusted in the sleeve hole after reaming along correction direction,
And the interior steel mesh of pinner 110 is repaired in REPAIR WELDING or bar planting.After the sleeve hole transformation of all supports 120 is completed, support
120 no longer have vertically and horizontally position-limiting action, and turn to be replaced by the collective effect of beam falling prevention stopping block 300 and cross spacing device 310.
S4, installation jack the vertical jacking device of the beam body and the lateral jacking device of the traversing beam body.
After the sleeve hole transformation of pinner 110 is completed, the vertical jacking device 220 and traverse beam of jack up girder 200 are installed
The lateral jacking device 230 of body 200.Vertical jacking device 220 can be jack or oil cylinder, lateral jacking device 230 or thousand
Jin top or oil cylinder.
In one embodiment, the vertical jacking device 220 of jack up girder 200 and the lateral jacking device of traversing beam body 200 are installed
230 the step of, specifically includes: at least two vertical jacking devices 220 is arranged between bridge pier 100 and beam body 200, one of them is perpendicular
It is fixed on bridge pier 100 to the shell of jacking device 220, the pushing end pushing tow beam body 200 of vertical jacking device 220, another is vertical
The shell of jacking device 220 is fixed in beam body 200, the pushing end pushing tow bridge pier 100 of vertical jacking device 220；On two vertical tops
It rises and at least one lateral jacking device 230 is installed between device 220, the shell of lateral jacking device 230 is fixed therein a vertical top
On the shell for rising device 220, the shell of another vertical jacking device 220 of the pushing end pushing tow of lateral jacking device 230.
Referring to Fig. 4 and Fig. 5, above-mentioned vertical jacking device 220 can be designed as two kinds of structures, and one is fixed with bridge pier 100
And opposite the first vertical jack 221 slided with beam body 200, another kind are fixed with beam body 200 and relatively sliding with bridge pier 100
The vertical jack 222 of dynamic second.Between beam body 200 and bridge pier 100, at least one first vertical 221 He of jack is arranged
Lateral jacking device 230 is mounted between two vertical jacking devices 220 by least one second vertical jack 222, i.e., laterally pushes up
The shell for rising device 230 is fixed in the first vertical jack 221 and the second vertical jack 222 on one shell, is laterally pushed up
The pushing end for rising device 230 is connected on another shell.
In another embodiment, at least one vertical jacking device 220 is arranged between bridge pier 100 and beam body 200, wherein one
The shell of a vertical jacking device 220 is fixed in beam body 200, the pushing end pushing tow bridge pier 100 of vertical jacking device 220；In pinner
At least one lateral jacking device 230 is installed, the shell of lateral jacking device 230 is solid between 110 and one of them vertical jacking device 220
It is scheduled on pinner 110, the shell of one of them vertical jacking device 220 of the pushing end pushing tow of lateral jacking device 230.
Above-mentioned vertical jacking device 220 includes at least second vertical thousand for fixing with beam body 200 and sliding relatively with bridge pier 100
Jin top 222, lateral jacking device 230 is mounted between pinner 110 and the second vertical jack 222, in order to not influence beam body
200 it is traversing.Specifically, the shell of lateral jacking device 230 is fixed on pinner 110, and the pushing end of lateral jacking device 230 abuts
On the shell of the second vertical jack 222；Or the shell of lateral jacking device 230 is fixed on the shell of the second vertical jack 222
On body, the pushing end of lateral jacking device 230 is connected on pinner 110.
Lateral jacking device 230 is supported using the second vertical jack 222 or pinner 110 as counter-force, and pushing tow second is very heavy
Top 222 forces 200 transverse shifting of beam body to complete correction, and the second vertical jack 222 is moved together with beam body 200 when pushing tow.Pad
Stone 110 is the permanent structure being cast on bridge pier 100, and when lateral jacking device 230 is supported as counter-force, stability is more
It is good, the movement of beam body 200 can be made more steady.
That is, in order to realize the traversing of beam body 200, the vertical jacking device 220 in part is fixed in beam body 200 and beam body
200 is traversing together, being capable of opposite sliding between bridge pier 100；Or the vertical jacking device 220 in part is fixed on bridge pier 100, with
It being capable of opposite sliding between beam body 200.The pushing end of vertical jacking device 220 holds out against the bottom surface of beam body 200 or holds out against bridge pier 100
Top, can realize the purpose of jack up girder 200.Vertical jacking device 220 makes beam body 200 be detached from bridge pier 100, instead of support
120 accept 200 weight of beam body, to carry out transverse translation correction to beam body 200.
Further, in some embodiments, the pushing end of vertical jacking device 220 is also provided with sliding part 240 respectively,
So that the pushing end of vertical jacking device 220 is slided relative to sliding part 240.Sliding part 240 can be polytetrafluoroethylene (PTFE) material
The bridge pier 100 corresponding with the pushing end of vertical jacking device 220 of sliding part 240 or beam body 200 are fixedly connected by sliding panel.Setting
Sliding part 240 makes the resistance of the first vertical jack 221 with beam body 200, second vertical jack 222 opposite sliding with bridge pier 100
Power is smaller.
In one embodiment, 220,2~4 vertical jacking devices of vertical jacking device are installed between beam body 200 and bridge pier 100
220 be one group, and each support 120 of bridge pier 100 arranges one group, and each bridge pier 100 arranges four groups of vertical jacking devices 220.For example,
In every group of vertical jacking device 220, at least one vertical jacking device 220 is the second vertical jack 222, the second vertical jack
222 slide when traversing with beam body 200 together opposite bridge pier 100；In every group of vertical jacking device 220, remaining vertical jacking device 220
It can be the first vertical jack 221 being fixedly connected with bridge pier 100, quantity is at least 1, will not when beam body 200 is mobile
The sliding of opposite bridge pier 100 occurs.Second vertical jack 222 and the first vertical jack 221 cooperate, in jack up girder 200
While, lateral jacking device 230 can be assisted to make the traversing more steady of beam body 200.
The step of installing lateral jacking device 230, specifically includes: in the first vertical jack 221 and the second vertical jack
Lateral jacking device 230 is installed between 222, the shell of lateral jacking device 230 is fixed on the shell of the first vertical jack 221,
The pushing end of lateral jacking device 230 is connected on the shell of the second vertical jack 222.That is, lateral jacking device 230 according to
The first vertical jack 221 by being fixed on bridge pier 100, make the second vertical jack 222 and with the second vertical jack 222
The beam body 200 being fixedly connected is traversing simultaneously, to complete the correction of beam body 200.Specifically, the lateral generally setting 2 of jacking device 230
It is one group, each bridge pier 100 arranges two groups of transverse direction jacking devices 230, altogether using 4 lateral jacking devices 230.That is, each
One end of beam body 200 is at least installed by 2 lateral jacking devices 230.One of transverse direction jacking device 230 is for the traversing of beam body 200
Correction pushes the movement of beam body 200；Another lateral jacking device 230 is for limiting or when the monitoring correction amount of beam body 200 is big
When designing correction amount, for elapsing beam body 200 in the opposite direction, guarantee the accuracy of 200 correction amount of beam body.
S5, the traversing correction beam body to predeterminated position of rectifying a deviation.
In some embodiments, which specifically includes: releasing the cross spacing of beam body 200, i.e. releasing cross spacing device
The cross spacing of 310 pairs of beam bodies 200 keeps beam body 200 hanging, recycles laterally top using vertical 220 jack up girder 200 of jacking device
The traversing beam body 200 of device 230 is risen to correction predeterminated position.
S6, the beam body is fallen after rise and to the beam body cross spacing.
In some embodiments, it falls beam body 200 after rise and the step of to 200 cross spacing of beam body, specifically includes: loosening vertical
Jacking device 220 falls beam body 200 to bridge pier 100 after rise, and cross spacing device 230 re-starts cross spacing to beam body 200.Beam body
200 after completing jacking and traversing correction, needs to pressurize to the cross spacing device 310 loosened before, restores beam falling prevention stopping block
300 act on cross spacing of the cross spacing device 310 to beam body 200, guarantee high-speed rail safe operation.Beam body in traversing process
200 weight is applied on vertical jacking device 220, is needed to loosen vertical jacking device 220 after the completion of traversing, is made beam body 200 again
It drops down on bridge pier 100.Then the position that sleeve is adjusted in the improved sleeve hole of reaming, makes the position of sleeve and traversing correction
The location matches of beam body 200 later reinstall foundation bolt 130, and pass through the anchor plate of lower anchor bolt and support 120
Connection, fixed beam body 200.
S7, the casting improved sleeve hole of pinner reaming.
In some embodiments, the step of casting 110 reaming of pinner improved sleeve hole, specifically includes: in pinner 110
Epoxy resin is smeared at top, makes to be bonded at the top of 120 bottom surface of support and pinner 110, and steel is arranged at the improved sleeve hole of reaming
Mould is poured grouting material according to gravity grouting method.Specifically, after foundation bolt 130 being mounted in sleeve, after reaming transformation
Sleeve hole in be poured grouting material, grouting material to be cast solidifies to preset strength, loosens lateral jacking device 230.Lower margin spiral shell
It after bolt 130 retightens in sleeve, pours grouting material and sleeve is fixed in sleeve hole, keep foundation bolt 130 completely solid
Fixed and more firm, i.e., beam body 200 is retightened on bridge pier 100 after rectifying a deviation, and can loosen lateral jacking device 230 at this time,
High-speed railway can resume normal operation.
In the jacking translation work progress of beam body 200, to guarantee that jacking reaches the control precision of 0.1mm, supervised using 4 sets
Examining system is monitored: controlling real-time jacking amount and correction amount using stay-supported type displacement sensor；It is observed using independent scale
The real-time displacement of systematic survey beam body 200；Using video monitoring measuring scale system, scale misalignment is monitored in real time, and be transferred to
Construction control room；The detection of track line style is carried out using line upper rail check system.The monitoring result of 4 sets of monitoring systems, which is compared, to be tested
Card, it is ensured that correction amount meets design requirement.
In some embodiments, the structure peace to guarantee the accuracy and beam body 200 of the displacement of beam body 200 during jacking
Entirely, vertical jacking device 220 is connect with multi-dot hydraulic pressure synchronous shift control system by high-pressure oil pipe, and in each vertical jacking
Vertical, lateral stay formula displacement sensor is installed on device 220 and is connected to multi-dot hydraulic pressure synchronous shift control system, carries out multiple spot liquid
The debugging of synchronous shift control system is pressed, the jacking of beam body 200 is controlled.Specifically, stay-supported type displacement sensor use precision for
The mode of the coincidence displacement sensor of 0.01mm is monitored.Each bridge pier 100 is respectively mounted 6 displacement sensors, monitors 4 in real time
The jacking amount and correction amount of support 120.Controlling in monitoring process keeps synchronous error to be less than 1mm, once location error is greater than
1mm closes hydraulic control one-way valve immediately, to ensure 200 safety of beam body.
In some embodiments, scale observation system is installed in the corresponding position of beam body 200 and 100 support 120 of bridge pier, surveys
Measure jacking amount and correction amount of the beam body 200 with respect to bridge pier 100.Specifically, each support 120 installs a set of scale observation system,
The top of i.e. each bridge pier 100 has four sets.The position of corresponding scale observation system, in the bottom of beam body 200 installation video prison
Measuring scale system is controlled, 4 cameras are specially installed and are monitored, camera can be fastened on beam body 200 using anchoring adhesive
On.Data are transmitted by interchanger, monitor scale misalignment in real time, and be transferred to Construction control room.It is pushed up in each bridge pier 100
6 digitlization thread-vibration type device for sensing displacement, jacking amount and correction of the real-time automatic measuring beam body 200 with respect to bridge pier 100 is arranged in portion
Amount, sensor access multichannel collecting module, acquire data to Construction control room by network real-time delivery.
In some embodiments, the hookup wire upper rail check system on bridge pier 100 is specifically measured by trolley on line
The variable quantity of route compares and analyzes verifying with monitoring data under line.
200 method for correcting error of beam body for gate-type bridge pier 100 of the embodiment of the present application, Specific construction process are as follows:
1, according to field condition, enclosed shape operating platform is set up on 100 periphery of gate-type bridge pier, provides work for follow-up work
Platform.
2,200 longitudinal spacing device 210 of beam body is installed.Installation 4 is very heavy at beam seam between each adjacent beam body 200
Top, and it is separately added into hardwood in the contact surface with beam body 200, to 200 longitudinal spacing of beam body.
3,4 beam falling prevention stopping blocks 300 are removed, beam falling prevention stopping block 300 carries out safeguard measure after removing, prevents from damaging its surface
Coating.The foundation bolt 130 for removing 4 supports, 120 inside, cuts and takes out foundation bolt 130, and to the inside of support 120
Sleeve hole carries out reaming transformation, and steel mesh in pinner 110 is repaired in REPAIR WELDING or bar planting.
4,4 beam falling prevention stopping blocks 300 are reinstalled, and in the gap between each beam falling prevention stopping block 300 and pinner 110
2 ultra-thin jack are added, hardwood is added in the side close to pinner 110, limits cross of the beam body 200 relative to bridge pier 100
To movement.
5, the foundation bolt 130 in 120 outside of support is removed, and the sleeve hole in 120 outside of support is transformed, passed through
The mode drill, cut, chiselled expands the sleeve hole on support pinner, and the position of sleeve can be in the sleeve hole after reaming
It is adjusted, and the interior steel mesh of pinner 110 is repaired in REPAIR WELDING or bar planting.
6, vertical jacking device 220 is installed between bridge pier 100 and beam body 200, is installed between adjacent vertical jacking device 220
Lateral jacking device 230.Monitoring system is installed.
7, cross spacing device 310 is loosened, using vertical 220 jack up girder 200 of jacking device, is pushed up using lateral jacking device 230
It is traversing to push away beam body 200.First with vertical jacking device 220 jacking 5mm or so, the weight of beam body 200 is made to be transferred to vertical jacking
Device 220 translates beam body 200 according to design correction amount using lateral jacking device 230.Beam body is controlled using monitoring system
200 jacking amount and correction amount, until translating in place.
8, the translation of beam body 200 in place afterwards pressurizes to restore cross spacing to cross spacing device 310.Loosen vertical jacking
Device 220 falls beam body 200 to bridge pier 100 after rise.The position that sleeve is adjusted in the improved sleeve hole of reaming, by foundation bolt
130 are mounted in sleeve.
9, one layer of epoxy resin is smeared at the top of pinner 110, keeps the anchor plate bottom surface of support 120 and pinner 110 tight
Closely connected conjunction pours grouting material in the improved sleeve hole of reaming.Lateral jacking device 230 is finally loosened, entangling for beam body 200 is completed
Partially.
The above description is merely a specific embodiment, but simultaneously difference is limited to this to protection scope of the present invention, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Also, the technical solution between each embodiment of the present invention can be combined with each other, but
To be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occur it is conflicting or can not
Will be understood that the combination of this technical solution is not present when realization, also not the present invention claims protection scope within.Therefore, originally
The protection scope of invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of beam body method for correcting error for transom pier bridge, which comprises the following steps:
Reaming transformation is carried out to the sleeve hole on the inside of pinner；
The cross spacing device of the beam body is installed and to the beam body cross spacing；
Reaming transformation is carried out to the sleeve hole on the outside of the pinner；
Installation jacks the vertical jacking device of the beam body and the lateral jacking device of the traversing beam body；
The traversing correction beam body is specifically included the cross spacing for releasing the beam body, is erected using described to predeterminated position of rectifying a deviation
Jacking the beam body to jacking device keeps the beam body hanging, utilizes the traversing beam body of the lateral jacking device to default position of rectifying a deviation
It sets；
Fall the beam body after rise and to the beam body cross spacing；
It is poured the improved sleeve hole of pinner reaming.
2. beam body method for correcting error according to claim 1, which is characterized in that carried out in the sleeve hole on the inside of pinner
It is further comprising the steps of before the step of reaming is transformed:
The longitudinal spacing device of the beam body is installed and to the beam body longitudinal spacing.
3. beam body method for correcting error according to claim 1, which is characterized in that the sleeve hole on the inside of pinner expands
The step of hole is transformed, specifically includes:
The foundation bolt on the inside of the beam falling prevention stopping block and support in the beam body is removed, and to the corresponding inside on the pinner
The sleeve hole of the foundation bolt carries out reaming transformation.
4. beam body method for correcting error according to claim 3, which is characterized in that the cross spacing device of the installation beam body
And the step of to the beam body cross spacing, it specifically includes:
The beam falling prevention stopping block is installed, and the cross spacing device is installed between the beam falling prevention stopping block and the pinner, with
Cross spacing is carried out to the beam body.
5. beam body method for correcting error according to claim 1, which is characterized in that described to fall the beam body after rise and to the beam body
The step of cross spacing, specifically includes:
Loosening the vertical jacking device falls the beam body to bridge pier after rise, and the cross spacing device re-starts cross to the beam body
To limit.
6. beam body method for correcting error described in any one according to claim 1~5, which is characterized in that the cross spacing device peace
Between beam falling prevention stopping block and the pinner in the beam body；
And/or the longitudinal spacing device is mounted between the adjacent beam body.
7. beam body method for correcting error described in any one according to claim 1~5, which is characterized in that described in the installation jacking
It the step of vertical jacking device of beam body and the lateral jacking device of the traversing beam body, specifically includes:
At least two vertical jacking devices, the shell of one of them vertical jacking device are arranged between bridge pier and the beam body
Body is fixed on the bridge pier, beam body described in the pushing end pushing tow of the vertical jacking device, another vertical jacking device
Shell is fixed in the beam body, bridge pier described in the pushing end pushing tow of the vertical jacking device；
At least one described lateral jacking device is installed between two vertical jacking devices, the shell of the transverse direction jacking device is solid
It is scheduled on the shell of one of them vertical jacking device, another described vertical top of pushing end pushing tow of the transverse direction jacking device
Rise the shell of device.
8. beam body method for correcting error described in any one according to claim 1~5, which is characterized in that described in the installation jacking
It the step of vertical jacking device of beam body and the lateral jacking device of the traversing beam body, specifically includes:
At least one described vertical jacking device, the shell of one of them vertical jacking device are arranged between bridge pier and the beam body
Body is fixed in the beam body, bridge pier described in the pushing end pushing tow of the vertical jacking device；
At least one described lateral jacking device, the transverse direction are installed between the pinner and one of them described vertical jacking device
The shell of jacking device is fixed on the pinner, one of them vertical jacking device described in the pushing end pushing tow of the transverse direction jacking device
Shell.
9. beam body method for correcting error described in any one according to claim 1~5, which is characterized in that the casting pinner
It the step of reaming improved sleeve hole, specifically includes:
Epoxy resin is smeared at the top of the pinner, is bonded bottom surface of support saddle and the top of the pinner, after reaming transformation
The sleeve hole at be arranged punching block, according to gravity grouting method be poured grouting material.
10. according to beam body method for correcting error described in claim 2~5 any one, which is characterized in that respectively in the laterally limit
The movable end of position device and the movable end of the longitudinal spacing device are provided with Non-slip material；
And/or the pushing end of the vertical jacking device is provided with sliding part respectively, so that the pushing end of the vertical jacking device
It is slided relative to the sliding part.
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| CN110983995A (en) * | 2019-12-06 | 2020-04-10 | 中铁四院集团岩土工程有限责任公司 | Beam body jacking method for high-speed railway bridge |
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